@pegakit/pegakit/source/scripts/components/lazysizes/index.js

The living styleguide, pattern library, UI ToolKit, and front-end build tools that power Pega's digital web properties.

window.lazySizesConfig = window.lazySizesConfig || {};

// use .js-lazyload instead of .lazyload
window.lazySizesConfig.lazyClass = 'js-lazyload';

// var img = document.createElement('img');
// var isWSupported = ('sizes' in img);

require('picturefill');
require('lazysizes/plugins/bgset/ls.bgset');
require('lazysizes');
// 
// function runLazySizes() {
//   
// }
//  
// // Check if polyfill required
// if (!isWSupported) {
//   // Webpack parses the inside of require.ensure at build time to know that intl
//   // should be bundled separately. You could get the same effect by passing
//   // ['intl'] as the first argument.
//   require.ensure([], () => {
//     // Ensure only makes sure the module has been downloaded and parsed.
//     // Now we actually need to run it to install the polyfill.
//     
//  
//     // Carry on
//     runLazySizes();
//   });
// } else {
//   // Polyfill wasn't needed, carry on
//   runLazySizes();
// }